Examples:
cartography
card
archaeology
archetype
monarchy
legal
loyal
purse
personal
cinema
kinase
car
carpenter
hippopotamus
Mesopotamia
dative
data
date
...
Old Irish
ceó
→
Old English
sceo
(cognate)
→
Irish
ceo
(inherited)
→
Scottish Gaelic
ceò
(inherited)
→
Manx
kay
(inherited)